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viva [34]
2 years ago
3

6. find the area of a semicircle whose radius is 2.4 cm?​

Mathematics
2 answers:
Viefleur [7K]2 years ago
5 0

Answer:

15.072

Step-by-step explanation:

coz it's like that. Just trust me

Nana76 [90]2 years ago
3 0

Answer:

15.072

Step-by-step explanation:

The radius of a circle is half of a diameter so double that and to find the area of a circle you multiply the diameter by 3.14

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There are 451 children in lias write number greater than 451
Fed [463]

452 ?

i think your question doesnt make much sense

3 0
2 years ago
The owner of a football team claims that the average attendance at games is over 74,900, and he is therefore justified in moving
Slav-nsk [51]

Answer:

Option c (Upper tailed) is the correct choice.

Step-by-step explanation:

Given that:

The average attendance is:

= 74,900

We will have to test:

⇒ H_0:\mu \leq \mu_0

or,

   H_0: \mu \leq 74,900

Verses,

⇒ H_1: \mu> \mu_0

or,

    H_1: \mu >74,900

The other given alternatives aren't connected to the given scenario. So the above is the correct one.

4 0
2 years ago
Tracie rides the bus home from school each day. The graph represents her distance from home relative to the number of minutes si
natali 33 [55]

Answer:

1. Tracie's bus travels towards her home at an average speed of \frac{1}{2} miles per minute.

Step-by-step explanation:

From the graph, we see that,

X-axis represents the time (in minutes) and the Y-axis represents the distance from home (in miles).

Also, the graph of the function is decreasing by 1 miles for every 2 minutes.

That is, the distance from home is decreasing as the time increases.

That is, the bus is getting closer to the home.

Further, as the distance is decreasing by 1 mile for every 2 minutes.

Thus, the rate of decrease is \frac{1}{2} miles per minute.

As we know, Speed=\frac{Distance}{Time}

<em>So, the slope represents the speed of the bus travelling towards home.</em>

That is, 'Tracie's bus travels towards her home at an average speed of \frac{1}{2} miles per minute'.

4 0
2 years ago
Read 2 more answers
A freight train completes its journey of 150 miles 1 hour earlier if its original speed is increased by 5 miles/hour what is the
vlabodo [156]
<span>A freight train completes its journey of 150 miles 1 hour earlier if its original speed is increased by 5 miles/hour. What is the train’s original speed?
***
let x=original speed
x+5=increased speed
travel time=distance/speed
..
lcd:x(x+5)
150(x+5)-150x=x(x+5)
150x+750-150x=x^2+5x
x^2+5x-750=0
(x-25)(x+30)=0
x=25
What is the train’s original speed? 25 mph</span>
7 0
2 years ago
A clothing store offers a free T-shirt when a customer spends $75 or more. Lyndon has already spent $36.95. Which statement best
Jet001 [13]

It would most possibly be 38.05 or less

3 0
2 years ago
Read 2 more answers
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